Flower, William Henry, author
Routledge/Thoemmes Press, 1996
Buku Referensi
Acland, Henry W., author
Routledge/Thoemmes Press, 1996
Buku Referensi
edited by Gary Edson
Routledge , 1997
Buku Teks
Rahadian Soepandrijo, author
Fakultas Teknik Universitas Indonesia, 1995
UI - Skripsi (Membership)
McLean, Fiona, author
Routledge , 1997
Buku Teks